Revelation 21:4 (ESV) … “He will wipe away every tear from their eyes, and death shall be no more, neither shall there be mourning, nor crying, nor pain anymore, for the former things have passed away.”
In Eden before the Fall, God came and walked with Adam in the cool of the day. Now He will dwell with men forever, and they will delight in His abiding presence. The lost are without God, without Christ, and are without hope. The saved are with Him for all eternity. That presence, which is the chief horror of the lost, is the chief happiness of the redeemed. Being perfectly holy, they can enjoy the company of God.
This glorious company who make up the new community of the New Jerusalem are blessed by the absence of grief. On earth during the Millennium, death will be rare, but it will not be banished entirely (Isa. 65:20). In the eternal state, death will be a thing of the past. There will be no more funerals, no more graves, no more hospitals, no more broken homes, no more broken hearts. What a day of rejoicing that will be!